Neither were beneficial. If Sony chose an Intel chip and kept with DVD9, no one would have ever noticed. While the features of Blu-Ray are a boon to have in regards to future media standard neither really benefited the PS3 in terms of gaming.
Games aren't hardware they are software. Software is well soft and malable and can be done on anything.
Squilliam: On Vgcharts its a commonly accepted practice to twist the bounds of plausibility in order to support your argument or agenda so I think its pretty cool that this gives me the precedent to say whatever I damn well please.